Document osx hack

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31050 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/png/png.h b/src/png/png.h
index 40e2b798bb80d5a8c147b26f4c7a00810e7742b4..b57acb41419dc27b2ac616cbf680113268c7babe 100644 (file)
--- a/src/png/png.h
+++ b/src/png/png.h
@@ -2726,6 +2726,9 @@ PNG_EXTERN png_int_32 png_get_int_32 PNGARG((png_bytep buf));
 PNG_EXTERN png_uint_32 png_get_uint_32 PNGARG((png_bytep buf));
 PNG_EXTERN png_uint_16 png_get_uint_16 PNGARG((png_bytep buf));
 #endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */
 PNG_EXTERN png_uint_32 png_get_uint_32 PNGARG((png_bytep buf));
 PNG_EXTERN png_uint_16 png_get_uint_16 PNGARG((png_bytep buf));
 #endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */

+/* RN: This define is blatent hack to get png to (hopefully) 
+   link on OSX 10.2 and earlier versions of 10.3 due to an 
+   Apple linking bug introduced in 10.2 */

 #define png_get_uint_31 wxpng_get_uint_31
 PNG_EXTERN png_uint_32 png_get_uint_31 PNGARG((png_structp png_ptr,
   png_bytep buf));
 #define png_get_uint_31 wxpng_get_uint_31
 PNG_EXTERN png_uint_32 png_get_uint_31 PNGARG((png_structp png_ptr,
   png_bytep buf));